Finding the Fourth Proportional to 529,178.44, 730,267.02 and 287,461.06
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Solution
The fourth proportional to 529,178.44, 730,267.02 and 287,461.06 is: 396,696.68
Step by Step Solution
- Step 1: Write the proportion equation
529,178.44 : 730,267.02 = 287,461.06 : x - Step 2: Convert to fraction form
529,178.44/730,267.02 = 287,461.06/x - Step 3: Cross multiply
529,178.44x = 730,267.02 × 287,461.06 - Step 4: Simplify right side
529,178.44x = 209,923,331,652.24 - Step 5: Solve for x
x = 209,923,331,652.24/529,178.44 - Step 6: Final answer
x = 396,696.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.